<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>计科2412尤佳清28</title>
	<style>
		.cat-rotate{
			width: 150px;
			height: 150px;
			border-radius: 50%;
			background: url("小猫.png")center/cover;
			transition: transform 2s;
		}
		.cat-rotate:hover{
			transform: rotate(180deg);
		}
	</style>
	</head>
	<body>
		<div class="cat-rotate"></div>
	</body>
</html>
